S
M
T
W
T
F
S
29
35°
19°
30
33°
16°
1
32°
21°
2
33°
15°
3
36°
9°
4
28°
16°
5
28°
21°
6
36°
22°
7
36°
24°
8
40°
19°
9
41°
18°
10
34°
15°
11
29°
14°
12
29°
11°
13
27°
12°
14
25°
13°
15
25°
9°
16
24°
12°
17
27°
9°
18
27°
15°
19
30°
14°
20
30°
16°
21
32°
13°
22
32°
12°
23
30°
14°
24
30°
14°
25
33°
9°
26
31°
5°
27
26°
7°
28
23°
7°
29
27°
8°
30
24°
1°
31
23°
2°
1
20°
6°
2
22°
12°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
December Weather in Gilmour
Gilmour's December 2026 forecast shows daily high temperatures ranging from 20° to 41°, with overnight lows between 1° and 24°. The average high for December is 30° with an average low of 13°. AccuWeather's monthly forecast extends further ahead than any other source, with day-by-day RealFeel® Temperatures giving a complete picture of how December weather will actually feel in Gilmour. See also: January | February | March.
